| Injection Point | Great Douk Cave [SD747770] |
|
| Detection Point | Midge Hole Negative [SD737770] |
| Tracer | Photine CS |
| Quantity | 1 gallon |
| Detection Method | Not detected |
| Time | 14 days |
| Distance | |
| Average Velocity | |
| Depth |
| Date | 16/04/1983-30/04/1983 |
| Notes | Good flow of water |
| Test credit | Julian Griffiths |
| References | Griffiths, J. 1984. Dye Testing in Chapel-le-Dale. Cambridge Underground 3:14-18 |